# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*-
#
# Copyright (C) 2017 Canonical Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
import contextlib
import shutil

from snapcraft.internal.errors import MissingCommandError
from . import errors               # noqa
from . import snaps                # noqa
from . import _platform
from ._base import BaseRepo        # noqa
from ._base import fix_pkg_config  # noqa
# Imported for backwards compatibility with plugins
if _platform._is_deb_based():
    from ._deb import Ubuntu       # noqa

Repo = _platform._get_repo_for_platform()


def check_for_command(command):
    if not shutil.which(command):
        raise MissingCommandError(command)


def get_pkg_name_parts(pkg_name):
    """Break package name into base parts"""

    name = pkg_name
    version = None
    with contextlib.suppress(ValueError):
        name, version = pkg_name.split('=')

    return name, version
